課程概述 |
1. Electricity and electrical devices
Electron, conductor, insulator, semiconductor, passive devices, active devices, switches, integrated circuit devices
2-1. Resistive circuits: Kirchhoff’s current law, Kirchhoff’s voltage law
Resistances in series and parallel, series and parallel equivalents, node-voltage analysis, mesh-current analysis, Thevenin and Norton equivalent circuits, Superposition principle, Wheatstone bridge.
2-2. Inductance and capacitance:
Capacitance, capacitances in series and parallel, inductance, inductance in series and parallel, mutual inductance
2-3. Transients:
First-order RC circuits, DC steady state response, RL circuits, RC and RL circuits with general sources, second-order circuits.
3. Steady-state sinusoidal analysis:
Sinusoidal currents and voltages, phasors, complex impedance, circuit analysis with phasors and complex impedances, power in AC circuits, Thevenin and Norton equivalent circuits, balanced three-phase circuits.
4. Filters and amplifiers
Fourier analysis, filters and transfer functions, first-order low-pass filters, logarithmic frequency scales and decibels, first-order high-pass filters, series resonance, parallel resonance, second-order filters; voltage amplifier model, current amplifier model, cascade amplifiers, distortions
5. Magnetic circuits and transformers
Magnetism and electricity, magnetic circuits, B-H curves, Transformers
6. DC machines:
Overview of motors, principles of DC machines, rotating DC machines, shunt-connected and separately excited DC motors, series-connected DC motors, speed control of DC motors, DC generators.
7. AC machines:
Three-phase induction motors, stepper motors and brushless DC motors.
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